The Daily Mail reports that just like Kate’s previous pregnancies, she is suffering from Hypermesis Gravidarium also known as extreme morning sickness. According to AmericanPregnancy.org it causes severe nausea, vomiting, weight loss, and even an imbalance in the mother’s electrolytes. The Duchess was even hospitalized when she was going through her pregnancy with Prince George.

As of writing, the Duchess has also called off her future engagements and is currently resting and being cared for at Kensington Palace.